ercmanager/cli/command.js

Npm package that simplifies deployment and usage of erc tokens on ethereum Blockchain

#!/usr/bin/env node
const Web3 = require('web3');
const Tx = require('ethereumjs-tx');
const { prompt } = require('enquirer');

const abi = JSON.parse('[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"balances","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"address"}],"name":"allowed","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_initialAmount","type":"uint256"},{"name":"_tokenName","type":"string"},{"name":"_decimalUnits","type":"uint8"},{"name":"_tokenSymbol","type":"string"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_owner","type":"address"},{"indexed":true,"name":"_spender","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Approval","type":"event"}] ');
const bytecode = "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";
function stringNotEmpty(string) {
    if (!string.replace(/\s/g, '').length)
        return false;
    return true
}

async function createNewErcToken() {
    const { tokenName } = await prompt({
        type: 'input',
        initial: 'Binance Coin',
        name: 'tokenName',
        message: 'Enter Token Name',
        validate: stringNotEmpty
    });

    const { tokenSymbol } = await prompt({
        type: 'input',
        initial: 'BNB',
        name: 'tokenSymbol',
        message: 'Enter Token Symbol',
        validate: stringNotEmpty
    });

    const { tokenQuantity } = await prompt({
        type: 'input',
        name: 'tokenQuantity',
        initial: 10000,
        message: 'Enter Token Quantity',
        validate: (n) => n>0
    });

    const { accountAddress } = await prompt({
        type: 'input',
        name: 'accountAddress',
        initial: "0x7df4ff20e5f35b92fc80bac49fd690ddaa7ad6b9",
        message: 'Enter Your Account Address',
        validate: stringNotEmpty
    });

    const { accountKey } = await prompt({
        type: 'input',
        name: 'accountKey',
        initial: "7c2c52e87011b19444a0ee5ce395f4427d6c9c02d2e361e8d76de73c3dc71cf4",
        message: 'Enter Your Account\'s Private Key',
        validate: stringNotEmpty
    });

    const { provider } = await prompt({
        type: 'input',
        name: 'provider',
        initial: "https://ropsten.infura.io/v3/edfd4451e332430c99e3747105308a95",
        message: 'Enter Web3 Provider URL',
        validate: stringNotEmpty
    });


    console.log("Deploying...");

    const web3 = new Web3(new Web3.providers.HttpProvider(provider));

    let gasPriceHex = web3.utils.toHex(web3.utils.toWei('10', 'gwei'))
    let gasLimitHex = web3.utils.toHex(6000000);
    let nonce =  await web3.eth.getTransactionCount(accountAddress, "pending");
    let nonceHex = web3.utils.toHex(nonce);

    let contractData = new web3.eth.Contract(abi).deploy({
        data: '0x' + bytecode,
        arguments: [tokenQuantity, tokenName, 6, tokenSymbol],
    });

    let rawTx = {
        nonce: nonceHex,
        gasPrice: gasPriceHex,
        gasLimit: gasLimitHex,
        data: contractData.encodeABI(),
        from: accountAddress
    };

    let privateKey = Buffer.from(accountKey, 'hex');
    let tx = new Tx(rawTx);
    tx.sign(privateKey);
    let serializedTx = tx.serialize();
    let raw = '0x' + serializedTx.toString('hex');

    let result = await web3.eth.sendSignedTransaction(raw);
    if(result.contractAddress) {
        return result.contractAddress;
    }
}

module.exports.createNewErcToken = createNewErcToken;